CHAPTER 18modelling rich interaction

outline

We operate within an ecology of people, physical artifacts and electronic systems,
and this rich ecology has recently become more complex as electronic devices
invade the workplace and our day-to-day lives. We need methods to deal with
these rich interactions.

Status-event analysis is a semi-formal, easy to apply technique that:

classifies phenomena as event or status

embodies naïve psychology

highlights feedback problems in interfaces.

Aspects of rich environments can be incorporated into methods such as task
analysis:

other people

information requirements

triggers for tasks

modeling artifacts

placeholders in task sequences.

New sensor-based systems do not require explicit interaction, this means: